using System.Text.RegularExpressions;
using System.Collections.Generic;
using System;

public class hello
{
    public static HashSet<string> hs;
    public static string ok = "CORRECT (maybe)";
    public static string ng = "WRONG!";
    static void Main()
    {
        var a0 = new string[] { "digi ",  "gema ", "piyo ", };
        hs = new HashSet<string>();
        foreach (var x in a0) hs.Add(x);
        string L;
        for (; (L = Console.ReadLine()) != null;)
        {
            if (L.Length < 5) { Console.WriteLine(ng); continue; }
            var name = L.Substring(0, 5);
            if (name == "rabi ")  getAns0(L.Substring(5));
            else
            {
                if (hs.Contains(name)) getAns(name.Substring(0, 4), L.Substring(5));
                else
                {
                    var name2 = L.Substring(0, 6);
                    if (name2 == "petit ") getAns(name.Substring(0, 5), L.Substring(6));
                    else Console.WriteLine(ng);
                }
            }
        }
    }
    static void getAns0(string t)
    {
        Console.WriteLine(Regex.IsMatch(t, @"[a-zA-Z0-9]{1,}")?  ok:ng);
    }
    static void getAns(string a, string b)
    {
        var t = b.ToLower();
        bool ans;
        if (a == "digi") ans = Regex.IsMatch(t, @"nyo[^a-zA-Z0-9]{0,3}$");
        else if (a == "petit") ans = Regex.IsMatch(t, @"nyu[^a-zA-Z0-9]{0,3}$");
        else if (a == "gema") ans = Regex.IsMatch(t, @"gema[^a-zA-Z0-9]{0,3}$");
        else ans = Regex.IsMatch(t, @"pyo[^a-zA-Z0-9]{0,3}$");
        Console.WriteLine(ans ? ok : ng);
    }
}